4241995
9780688059866
A playful but serious approach makes geology come alive. Also use a fine activity book: Exploring Summer (1987, Macmillan).Markle, Sandra is the author of 'Digging Deeper: Investigations into Rocks, Shocks, Quakes, and Other Earthy Matters - Sandra Markle - Hardcover - 1st ed' with ISBN 9780688059866 and ISBN 0688059864.
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